Ricta Skateboard Wheels Clouds 78a Black/Blue 56mmFeatures:Price is for a set of four Wheels.78a hardness rating suitable for a smoother ride on rougher ground. Classic Ricta shape and flatspot resistant urethane.Softer urethane is used for the Ricta Clouds making them the first choice wheel for skating a rough spot or for a smoother ride.Ricta high quality poured urethane. Ricta Clouds 78a Skateboard Wheels Black/Blue 56mm